2 * Copyright (c) 1988, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 static char const copyright[] =
33 "@(#) Copyright (c) 1988, 1993, 1994\n\
34 The Regents of the University of California. All rights reserved.\n";
38 static char sccsid[] = "@(#)kill.c 8.4 (Berkeley) 4/28/95";
41 #include <sys/cdefs.h>
42 __FBSDID("$FreeBSD$");
52 static void nosig(const char *);
53 static void printsignals(FILE *);
54 static int signame_to_signum(const char *);
55 static void usage(void);
58 main(int argc, char *argv[])
60 int errors, numsig, pid;
69 if (!strcmp(*argv, "-l")) {
76 numsig = strtol(*argv, &ep, 10);
78 errx(1, "illegal signal number: %s", *argv);
81 if (numsig <= 0 || numsig >= sys_nsig)
83 printf("%s\n", sys_signame[numsig]);
90 if (!strcmp(*argv, "-s")) {
93 warnx("option requires an argument -- s");
96 if (strcmp(*argv, "0")) {
97 if ((numsig = signame_to_signum(*argv)) < 0)
102 } else if (**argv == '-' && *(*argv + 1) != '-') {
104 if (isalpha(**argv)) {
105 if ((numsig = signame_to_signum(*argv)) < 0)
107 } else if (isdigit(**argv)) {
108 numsig = strtol(*argv, &ep, 10);
110 errx(1, "illegal signal number: %s", *argv);
111 if (numsig < 0 || numsig >= sys_nsig)
118 if (argc > 0 && strncmp(*argv, "--", 2) == 0)
124 for (errors = 0; argc; argc--, argv++) {
125 pid = strtol(*argv, &ep, 10);
126 if (!**argv || *ep) {
127 warnx("illegal process id: %s", *argv);
129 } else if (kill(pid, numsig) == -1) {
139 signame_to_signum(const char *sig)
143 if (!strncasecmp(sig, "sig", (size_t)3))
145 for (n = 1; n < sys_nsig; n++) {
146 if (!strcasecmp(sys_signame[n], sig))
153 nosig(const char *name)
156 warnx("unknown signal %s; valid signals:", name);
157 printsignals(stderr);
162 printsignals(FILE *fp)
166 for (n = 1; n < sys_nsig; n++) {
167 (void)fprintf(fp, "%s", sys_signame[n]);
168 if (n == (sys_nsig / 2) || n == (sys_nsig - 1))
169 (void)fprintf(fp, "\n");
171 (void)fprintf(fp, " ");
179 (void)fprintf(stderr, "%s\n%s\n%s\n%s\n",
180 "usage: kill [-s signal_name] pid ...",
181 " kill -l [exit_status]",
182 " kill -signal_name pid ...",
183 " kill -signal_number pid ...");